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(2Z)-Ethyl 2-(4-chloro­benzyl­idene)-7-methyl-3-oxo-5-phenyl-2,3-dihydro-5H-1,3thia­zolo[3,2-a]pyrimidine-6-carboxyl­ate

✍ Scribed by Jotani, Mukesh M. ;Baldaniya, Bharat B.

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
331 KB
Volume
62
Category
Article
ISSN
1600-5368

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📜 SIMILAR VOLUMES

Ethyl (2Z)-2-(2-chloro­benzyl­idene)-7-m
Ethyl (2Z)-2-(2-chloro­benzyl­idene)-7-methyl-3-oxo-5-phenyl-2,3-dihydro-5H-1,3-thia­zolo[3,2-a]pyrimidine-6-carboxyl­ate
✍ Jotani, Mukesh M. ;Baldaniya, Bharat B. 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 238 KB

In the title compound, C 23 H 19 ClN 2 O 3 S, the central pyrimidine ring is significantly puckered, assuming an intermediate conformation between an envelope and a screw-boat form. Short intermolecular C-HÁ Á ÁO, C-HÁ Á Á andstacking interactions contribute to the stability of the crystal packing.

Ethyl 7-methyl-2-[4-(methyl­sulfan­yl)be
Ethyl 7-methyl-2-[4-(methyl­sulfan­yl)benzyl­idene]-5-[4-(methyl­sulfan­yl)phen­yl]-3-oxo-2,3-dihydro-5H-thia­zolo[3,2-a]pyrimidine-6-carboxyl­ate
✍ Fischer, Andreas ;Yathirajan, H. S. ;Mithun, A. ;Bindya, S. ;Narayana, B. 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 255 KB

The title compound, C~25~H~24~N~2~O~3~S~3~, was crystallized from a methanol–acetone mixture. The monoclinic structure features one molecule in the asymmetric unit. The crystal packing is stabilized by π stacking.

Ethyl 5-(2,6-di­chloro­phenyl)-7-methyl-
Ethyl 5-(2,6-di­chloro­phenyl)-7-methyl-2-(1-naphthyl­methyl­ene)-3-oxo-2,3-di­hydro-5H-thia­zolo­[3,2-a]­pyrimidine-6-carboxyl­ate
✍ Liu, Xin-Gang ;Feng, Ya-Qing ;Li, Xiao-Fang ;Gao, Bo 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 160 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.005 A Ê Disorder in main residue R factor = 0.040 wR factor = 0.126 Data-to-parameter ratio = 12.5 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.